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Finding the Fourth Proportional to 299,600.10, 449,918.55 and 159,632.10

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Solution

The fourth proportional to 299,600.10, 449,918.55 and 159,632.10 is: 239,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,600.10 : 449,918.55 = 159,632.10 : x
  2. Step 2: Convert to fraction form
    299,600.10/449,918.55 = 159,632.10/x
  3. Step 3: Cross multiply
    299,600.10x = 449,918.55 × 159,632.10
  4. Step 4: Simplify right side
    299,600.10x = 71,821,442,965.46
  5. Step 5: Solve for x
    x = 71,821,442,965.46/299,600.10
  6. Step 6: Final answer
    x = 239,724.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.